Bierhoff believes in superstars: advantage for Messi and Neymar

You have seen in the past “that they were exhausted at the end of the season because they are players who have so many commitments, media appointments, public relations appointments. I have often had the impression that at the end of the season these players didn’t enjoy themselves very much at the World Cup and they couldn’t give more,” said Bierhoff, who was vice world champion with the DFB in 2002.